Sample b is the control group because it’s the group not being tested and being kept the same.
Depending on the organism, the cell can get its energy from the sun (Plant; Photosynthesis) or through ATP energy (Animal).
Latitude influences your weather by determining which type of weather systems will cross the area and how frequently, elevation influences your weather because higher elevations have lower air pressure than lower elevations, thus allowing the air to be colder on average. Local geography influences your weather due to different areas being nearby mountain ranges, bodies of water, and other things that can create or dissimilate different weather systems.
